Although positive people showed a greater resistance to colds, negative people did not necessarily get sick more often.

尽管积极的人对感冒表现出较强的抵抗力，消极的人也不一定更容易经常感冒。

youdao

Negative PCR works like wind resistance does on your car: the harder you put your foot down, the more the wind impedes any further increase in your speed (see "It pays to be negative").

负pcr的工作原理就像风对汽车的阻力一样：踩油门越困难，提速时风的阻力就越大。

youdao

However, this approach has led to the evolution of resistance to pesticides and has severely negative impact on human health and the environment.

然而，这种方法已经导致了害虫对杀虫剂的抗药性，同时也已经给人类健康和环境造成了严重的负面影响。

youdao

The decline on Wednesday caused two important markets, the Dow Transports and Russell 2000, to reverse from important resistance, which had negative technical implications.

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Any downgrades or negative price-target adjustments could scuttle the stock's hopes of breaking out above technical resistance.

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